69222157 has 4 divisors (see below), whose sum is σ = 72231840. Its totient is φ = 66212476.

The previous prime is 69222143. The next prime is 69222169. The reversal of 69222157 is 75122296.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69222157 - 2¹⁹ = 68697869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69222107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504807 + ... + 1504852.

It is an arithmetic number, because the mean of its divisors is an integer number (18057960).

Almost surely, 2^69222157 is an apocalyptic number.

It is an amenable number.

69222157 is a deficient number, since it is larger than the sum of its proper divisors (3009683).

69222157 is a wasteful number, since it uses less digits than its factorization.

69222157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009682.

The product of its digits is 15120, while the sum is 34.

The square root of 69222157 is about 8319.9853966218. The cubic root of 69222157 is about 410.5963105628.

The spelling of 69222157 in words is "sixty-nine million, two hundred twenty-two thousand, one hundred fifty-seven".